43125636533 has 32 divisors (see below), whose sum is σ = 52525744128. Its totient is φ = 34564320000.

The previous prime is 43125636493. The next prime is 43125636559. The reversal of 43125636533 is 33563652134.

It is not a de Polignac number, because 43125636533 - 2¹⁸ = 43125374389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43125696533) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18855716 + ... + 18858002.

It is an arithmetic number, because the mean of its divisors is an integer number (1641429504).

Almost surely, 2^43125636533 is an apocalyptic number.

It is an amenable number.

43125636533 is a deficient number, since it is larger than the sum of its proper divisors (9400107595).

43125636533 is a wasteful number, since it uses less digits than its factorization.

43125636533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3273.

The product of its digits is 583200, while the sum is 41.

The spelling of 43125636533 in words is "forty-three billion, one hundred twenty-five million, six hundred thirty-six thousand, five hundred thirty-three".